(19)
(11) EP 2 255 238 A1

(12)

(43) Date of publication:
01.12.2010 Bulletin 2010/48

(21) Application number: 09719908.7

(22) Date of filing: 06.03.2009
(51) International Patent Classification (IPC): 
G02B 7/28(2006.01)
G03B 13/36(2006.01)
H04N 9/07(2006.01)
G02B 7/34(2006.01)
H04N 5/232(2006.01)
H04N 101/00(2006.01)
(86) International application number:
PCT/JP2009/054818
(87) International publication number:
WO 2009/113644 (17.09.2009 Gazette 2009/38)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA RS

(30) Priority: 11.03.2008 JP 2008061845
03.03.2009 JP 2009049716

(71) Applicant: Canon Kabushiki Kaisha
Tokyo 146-8501 (JP)

(72) Inventors:
  • ONUKI, Ichiro
    Tokyo 146-8501 (JP)
  • NAGANO, Akihiko
    Tokyo 146-8501 (JP)
  • TAKAMIYA, Makoto
    Tokyo 146-8501 (JP)

(74) Representative: Williamson, Brian 
Canon Europe Ltd 3 The Square Stockley Park Uxbridge Middlesex
UB11 1ET
UB11 1ET (GB)

   


(54) FOCUS DETECTION DEVICE AND IMAGING APPARATUS HAVING THE SAME